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3. Investigation of Cold Forming Friction and Lubrication with a Sheet Drawing Test;Kudo;Annals of the CIRP,1976
4. An Investigation into Plasto-Hydrodynamic Lubrication with a Cold;Kudo;Annals of the CIRP,1982
5. Construction of an Experimental Drawing Machine for Tribology Study Having Wide Speed Range and Some Experimental Results;Tsubouchi;J. Japan Soc. Technol. of Plasticity,1986